function init_adv_vertical()
{
	if (z == 0)
	{
		docx = document.body.scrollHeight;
		document.onmouseover = "";
		z = 1;

		if (docx > 1540)
			tst_el.innerHTML = '<BR><IFRAME src="http://www.traveladvertising.com/Live/TanAd.aspx?PlacementId=18853" frameborder="0" marginheight="0" marginwidth="0" scrolling="no" allowtransparency="true" width="160" height="600"></IFRAME>';
	}
}


if (tst_el = document.getElementById("tst_div"))
{
	z = 0;
	document.onmouseover = init_adv_vertical;
}